Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.62M Sell
14,734
-120
-0.8% -$18.8K ﹤0.01% 630
2025
Q4
$1.93M Sell
14,854
-679
-4% -$97.2K ﹤0.01% 686
2025
Q3
$2.29M Buy
15,533
+1
+0% +$151 ﹤0.01% 641
2025
Q2
$2.61M Buy
15,532
+44
+0.3% +$7.03K ﹤0.01% 611
2025
Q1
$2.58M Sell
15,488
-33
-0.2% -$5.73K ﹤0.01% 600
2024
Q4
$2.57M Sell
15,521
-1,930
-11% -$305K ﹤0.01% 611
2024
Q3
$2.33M Sell
17,451
-120
-0.7% -$13.9K ﹤0.01% 626
2024
Q2
$2.21M Hold
17,571
﹤0.01% 615
2024
Q1
$2.58M Buy
17,571
+27
+0.2% +$3.49K ﹤0.01% 592
2023
Q4
$2.06M Sell
17,544
-63
-0.4% -$5.87K ﹤0.01% 619
2023
Q3
$1.54M Sell
17,607
-112
-0.6% -$13K ﹤0.01% 657
2023
Q2
$2.92M Sell
17,719
-200
-1% -$34.8K ﹤0.01% 547
2023
Q1
$3.31M Sell
17,919
-752
-4% -$127K 0.01% 530
2022
Q4
$2.76M Buy
18,671
+2
+0% +$275 0.01% 556
2022
Q3
$2.63M Buy
18,669
+3,127
+20% +$457K 0.01% 530
2022
Q2
$2.03M Buy
15,542
+5,630
+57% +$753K ﹤0.01% 566
2022
Q1
$1.44M Buy
9,912
+4,201
+74% +$807K ﹤0.01% 646
2021
Q4
$1.67M Buy
5,711
+647
+13% +$184K ﹤0.01% 625
2021
Q3
$1.37M Sell
5,064
-505
-9% -$137K ﹤0.01% 640
2021
Q2
$1.35M Sell
5,569
-139
-2% -$31.7K ﹤0.01% 636
2021
Q1
$1.31M Buy
5,708
+621
+12% +$156K ﹤0.01% 651
2020
Q4
$1.37M Hold
5,087
﹤0.01% 599
2020
Q3
$1.2M Hold
5,087
﹤0.01% 585
2020
Q2
$1.16M Sell
5,087
-900
-15% -$198K ﹤0.01% 565
2020
Q1
$1.06M Hold
5,987
﹤0.01% 555
2019
Q4
$946K Sell
5,987
-26
-0.4% -$3.91K ﹤0.01% 645
2019
Q3
$895K Hold
6,013
﹤0.01% 640
2019
Q2
$895K Sell
6,013
-4,875
-45% -$669K ﹤0.01% 650
2019
Q1
$1.51M Sell
10,888
-11,599
-52% -$1.46M ﹤0.01% 710
2018
Q4
$2.41M Sell
22,487
-1,890
-8% -$211K 0.01% 555
2018
Q3
$3.04M Sell
24,377
-866
-3% -$96.1K 0.01% 553
2018
Q2
$2.46M Buy
25,243
+2,418
+11% +$230K 0.01% 581
2018
Q1
$2.01M Sell
22,825
-170
-0.7% -$14.8K 0.01% 519
2017
Q4
$1.95M Buy
22,995
+5,347
+30% +$464K 0.01% 530
2017
Q3
$1.53M Buy
17,648
+150
+0.9% +$13.3K 0.01% 563
2017
Q2
$1.6M Buy
17,498
+400
+2% +$36.7K ﹤0.01% 569
2017
Q1
$1.59M Sell
17,098
-111
-0.6% -$9.14K 0.01% 544
2016
Q4
$1.16M Buy
17,209
+608
+4% +$37.4K ﹤0.01% 598
2016
Q3
$988K Sell
16,601
-2,777
-14% -$157K ﹤0.01% 617
2016
Q2
$1.02M Sell
19,378
-30
-0.2% -$1.41K ﹤0.01% 601
2016
Q1
$812K Sell
19,408
-1,478
-7% -$55.6K ﹤0.01% 614
2015
Q4
$867K Sell
20,886
-99
-0.5% -$4.04K ﹤0.01% 590
2015
Q3
$809K Buy
20,985
+394
+2% +$16.1K ﹤0.01% 598
2015
Q2
$798K Sell
20,591
-1,169
-5% -$41.9K ﹤0.01% 560
2015
Q1
$718K Sell
21,760
-185
-0.8% -$5.32K ﹤0.01% 616
2014
Q4
$578K Buy
21,945
+342
+2% +$8.44K ﹤0.01% 659
2014
Q3
$460K Hold
21,603
﹤0.01% 686
2014
Q2
$510K Sell
21,603
-3,167
-13% -$78.6K ﹤0.01% 672
2014
Q1
$676K Buy
24,770
+3,167
+15% +$90.3K ﹤0.01% 607
2013
Q4
$631K Sell
21,603
-306
-1% -$8.56K ﹤0.01% 598
2013
Q3
$584K Buy
21,909
+1,275
+6% +$31.4K ﹤0.01% 596
2013
Q2
$437K Buy
+20,634
New +$434K ﹤0.01% 613

Other funds holding MASI

Brown Advisory's MASI Position: Q1 2026 in Review

Brown Advisory reduced its Masimo (MASI) stake by 0.81% in Q1 2026, selling an estimated $18.8K and leaving 14,734 shares worth $2.62M. The position accounts for ﹤0.01% of the portfolio, ranked #630.

Brown Advisory first reported a position in MASI in Q2 2013 and has held it in 52 quarters since. The position peaked at $3.31M in Q1 2023. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Brown Advisory held 14,734 shares of Masimo worth $2.62M as of Q1 2026.
  • Brown Advisory sold 120 Masimo shares in Q1 2026, an estimated $18.8K.
  • Masimo made up ﹤0.01% of Brown Advisory's portfolio in Q1 2026, its #630 holding.
  • Brown Advisory first reported a position in Masimo in Q2 2013 and has held it in 52 quarters since.
  • Brown Advisory's Masimo position peaked at $3.31M in Q1 2023.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Brown Advisory's 13F filing for Q1 2026, filed 15 May 2026.